Table of contents
How we vet every listicle
Every agency featured on Web Tonic passes our 84-point editorial review before a single listicle goes live. This is how we vet each pick:
Verified client outcomes: We require real case studies with measurable KPIs — revenue, ROAS, CPA, retention — tied to the exact category being ranked. No cherry-picked wins, no unverifiable numbers.
Independent reputation: We cross-check Clutch, Google, G2, and Trustpilot ratings, and screen for review-bombing or suspicious patterns. Only operators with a consistent, verifiable track record make the cut.
Beyond that, every listing goes through a quarterly re-audit. We check 84 criteria across 6 pillars to make sure it still holds up — here are some of the checks we run:
A website accessibility agency makes digital products usable by people with disabilities and defensible under the ADA, Section 508 and the European Accessibility Act. The work is a WCAG 2.2 AA audit combining automated scans with manual screen-reader and keyboard testing, then a prioritised issue list, a VPAT or conformance report, hands-on code remediation and monitoring so fixes hold.
We compared 21 providers on audit method, remediation depth, documentation and legal support. None of the 20 external firms publish a rate card, so we report that gap rather than inventing numbers.
Which website accessibility partner should you shortlist?
It depends on what you owe and to whom. Deque, Level Access and TPGi suit enterprise and government programmes; UsableNet and 216digital fit ecommerce facing legal risk; Perkins Access, QualiBooth and Knowbility bring testing led by disabled users.
1. Deque Systems
About: Deque Systems is a Herndon, Virginia consultancy and software vendor founded in 1999 that combines its axe testing tools with an in-house team of certified auditors for large-scale WCAG and Section 508 programs. It runs digital accessibility audits, Assistive Technology Acceptance Testing, and Accessibility Conformance Reports for Fortune 500 and federal government clients. Its differentiator is scale: a stated 10,000-plus completed audit projects and staff who help write the WCAG standard itself.
Key Services: WCAG & Section 508 audits, Assistive technology acceptance testing, VPAT & Accessibility Conformance Reports, Source code & document remediation, Developer & designer training, Accessibility program strategy
Industries Served: Government & public sector, Financial services, Healthcare, Retail & e-commerce, Higher education
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Herndon, United States, Amsterdam, Netherlands
Pricing: No public rate card; quoted per scope
Great For: Federal agencies needing Section 508 sign-off, Enterprises building a long-term accessibility program, Teams needing axe tooling plus expert audits
Website: Deque Systems
2. Web Tonic
About: Web Tonic treats accessibility as part of how a site is built rather than a compliance project bolted on afterwards, so semantic markup, keyboard order, contrast and form labelling are handled inside our design and web development work. We fix source code and design systems instead of installing an overlay widget, and we retest after every release so fixes do not quietly regress. For a formal VPAT, an expert witness or a full assistive-technology audit programme, the specialists ranked below go deeper than we do, and we will say so on the call.
Key Services: Growth Marketing, Paid Social, PPC, Meta Ads, SEO, Google Ads, Snapchat Ads, Amazon Ads, Reddit Ads, TikTok Ads, TikTok Shop, GEO-AEO, Webflow Design, Shopify Design, WordPress Design, UGC, Social Media Management, Pay Per Click Management, Marketing Analytics, Analytics Implementation & CDPs, Performance Branding, Performance 360° Audit, Programmatic Ads, OOH Ads, HR Marketing
Industries Served: eCommerce, SaaS, B2B, Construction Professionals, Home Services, SMEs, Health Spa & Wellness, Retail, Legal & Judicial Services, Food & Beverages, Pets, Fitness, Family & Children, Finance & Insurance, Travel, Non-Profits & Organizations, Furniture & Decoration
Notable Clients: WorldRemit, Jack & Jones, Ardene, L'Oréal, Sendwave, Nestlé, Airbnb. Serve Fortune 500 companies and smaller fast-paced startups.
Locations: HQ in San Francisco with notable offices in New York, Chicago, Miami, Toronto, Montreal, Dubai, Singapore, Sydney and more. Offices on five continents.
Pricing: Starting at USD $3,000 per month. Flexible and scalable plans at any time according to your enterprise needs. Book a call to learn more.
Great For: Mid-market to enterprise-level businesses requiring ongoing, on-tap growth and performance marketing services.
Website: Web Tonic
3. Level Access
About: Level Access is an Arlington, Virginia accessibility software and services company, formed from the merger of SSB BART Group and PayPal's accessibility unit, serving both commercial and public-sector clients. It pairs its AMP monitoring platform with human-led audits, VPAT production, and hands-on remediation support. The firm leans on decades of Section 508 government work as its core differentiator.
Key Services: Accessibility audits & testing, AMP continuous monitoring platform, VPAT & Accessibility Conformance Reports, Code & document remediation, Accessibility training & certification, Legal & risk advisory support
Industries Served: Government & public sector, Higher education, Financial services, Retail, Technology & SaaS
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Arlington, United States, Stafford, United States
Pricing: No public rate card; quoted per scope
Great For: Public sector agencies needing 508 compliance, Enterprises wanting monitoring plus audits in one platform, Organizations building internal accessibility maturity
Website: Level Access
4. TPGi
About: TPGi is a digital accessibility consultancy under the Vispero group, headquartered in Clearwater, Florida, with additional offices in Ireland, the United Kingdom, and Canada. Its consultants have contributed directly to the WCAG specification and focus on WCAG audits, UX accessibility reviews, and developer-facing remediation guidance rather than selling a monitoring product. The firm is best known in the industry for deep technical expertise on ARIA and complex web components.
Key Services: WCAG conformance audits, UX & design accessibility review, ARIA & component-level remediation guidance, VPAT & conformance reporting, Accessibility training, Ongoing accessibility support retainers
Industries Served: Technology & SaaS, Financial services, Media & publishing, Government, Retail & e-commerce
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Clearwater, United States, Dublin, Ireland
Pricing: No public rate card; quoted per scope
Great For: Product teams with complex custom components, Companies wanting standards-body-level ARIA expertise, Organizations needing UX plus code-level review
Website: TPGi
5. UsableNet
About: UsableNet is a New York-based accessibility firm founded in 2000 that pairs WCAG audit and remediation services for e-commerce and enterprise websites with the industry's most widely cited ADA lawsuit-tracking research. It publishes annual and midyear reports quantifying digital accessibility litigation trends that other outlets and law firms regularly reference. That litigation-data angle, alongside standard audit and remediation work, is what sets it apart from pure consultancies.
Key Services: WCAG & ADA compliance audits, Website & app remediation, VPAT documentation, Litigation risk research & reporting, Ongoing monitoring, Mobile app accessibility testing
Industries Served: E-commerce & retail, Hospitality, Financial services, Healthcare, Consumer packaged goods
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: New York, United States, Milan, Italy
Pricing: No public rate card; quoted per scope
Great For: E-commerce brands facing lawsuit risk, Retailers wanting litigation-trend intelligence, Enterprises needing ongoing remediation support
Website: UsableNet
6. AudioEye
About: AudioEye is a Tucson, Arizona, publicly traded company, listed on Nasdaq as AEYE, that combines an automated scanning and remediation platform with human expert testing and a legal support program for accessibility claims. It serves a broad customer base spanning government agencies and major consumer brands, positioning itself as a hybrid of software and managed service rather than a pure audit shop. Because it is public, its financials and customer roster are more transparent than most competitors in this space.
Key Services: Automated + manual WCAG testing, Continuous monitoring platform, Code-level remediation, Accessibility statement generation, Legal support & demand letter response, PDF & document remediation
Industries Served: Retail & e-commerce, Media & entertainment, Government, Consumer electronics, Apparel
Notable Clients: FCC, Samsung, Tommy Hilfiger
Locations: Tucson, United States, New York, United States
Pricing: No public rate card; quoted per scope
Great For: Brands wanting monitoring plus legal support bundled, Mid-market e-commerce sites, Companies wanting a public, audited vendor
Website: AudioEye
7. Allyant
About: Allyant is an accessibility solutions company headquartered near Ottawa, Canada, formed from the merger of several established accessibility brands including Accessible360 and CommonLook. It covers web and document accessibility together, offering WCAG audits and remediation alongside PDF and print-to-accessible-format conversion for regulated industries. Its combined web-plus-document scope is the main reason clients in insurance, banking, and healthcare choose it over web-only specialists.
Key Services: WCAG website audits & remediation, PDF & document accessibility remediation, VPAT & conformance reporting, Accessible communications for print & digital, Ongoing monitoring, Accessibility training
Industries Served: Insurance, Banking & financial services, Healthcare, Government, Higher education
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Ottawa, Canada, Minneapolis, United States
Pricing: No public rate card; quoted per scope
Great For: Regulated industries needing document plus web compliance, Insurers with high PDF and statement volume, Enterprises consolidating multiple accessibility vendors
Website: Allyant
8. 216digital
About: 216digital is an accessibility and web development agency that markets its a11y.Radar monitoring product alongside WCAG and Section 508 audit and remediation services aimed at reducing ADA lawsuit exposure. It positions itself for small and mid-size businesses that need a practical, budget-aware path to compliance rather than an enterprise accessibility program. The firm frames its offer around ongoing risk mitigation rather than a one-time audit deliverable.
Key Services: WCAG & ADA compliance audits, a11y.Radar ongoing monitoring, Website remediation & development, Accessibility statements, Section 508 compliance support, Developer training
Industries Served: Small & mid-size business, Healthcare, Professional services, Nonprofit, Retail & e-commerce
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Cleveland, United States, United States (remote-first)
Pricing: No public rate card; quoted per scope
Great For: Small businesses managing lawsuit risk on a budget, Nonprofits needing an affordable audit, Sites needing ongoing risk monitoring
Website: 216digital
9. Accessibility.com
About: Accessibility.com operates as both an industry resource hub and a consulting practice, growing out of the Bureau of Internet Accessibility's audit and remediation business for websites, mobile apps, and kiosks. It runs WCAG and ADA audits and produces a widely referenced directory and knowledge base tracking accessibility vendors, lawsuits, and regulations. Its blend of media presence and hands-on consulting gives it strong visibility among businesses first researching compliance requirements.
Key Services: WCAG & ADA website audits, Mobile app & kiosk accessibility testing, Remediation guidance, VPAT documentation, Accessibility statements, Ongoing compliance monitoring
Industries Served: Retail & e-commerce, Hospitality, Real estate, Financial services, Restaurants & food service
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Pittsburgh, United States, United States (remote-first)
Pricing: No public rate card; quoted per scope
Great For: Businesses researching compliance for the first time, Companies needing kiosk or mobile app testing, Mid-market retailers and hospitality brands
Website: Accessibility.com
10. Accessibility.Works
About: Accessibility.Works is a consultancy staffed entirely by senior practitioners that audits and advises on website, e-commerce, and SaaS product accessibility against ADA, Section 508, EAA, and US state-level laws. It positions itself against larger firms by promising direct access to experienced consultants rather than junior staff on every engagement. Its focus spans both legal compliance and product usability improvements that support procurement requirements.
Key Services: WCAG & ADA compliance audits, SaaS & product accessibility review, VPAT & conformance documentation, EAA compliance support, Procurement & RFP accessibility support, Developer remediation guidance
Industries Served: SaaS & technology, E-commerce, Financial services, Higher education, Government contractors
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: United States (remote-first), Europe (remote-first)
Pricing: No public rate card; quoted per scope
Great For: SaaS vendors responding to procurement VPAT requests, Companies wanting senior-only consulting teams, Businesses expanding compliance into the EU
Website: Accessibility.Works
11. AccessibilityOz
About: AccessibilityOz is an Australian accessibility consultancy that audits websites, apps, and documents against WCAG and regional standards including the Australian Disability Discrimination Act alongside ADA and Section 508 for US-facing clients. It is well established in government and higher education accessibility work across Australia and New Zealand. Its Asia-Pacific footprint is a genuine differentiator versus the largely US-based firms in this space.
Key Services: WCAG conformance audits, Government accessibility compliance, Document & PDF remediation, Developer & content author training, VPAT & conformance reporting, Ongoing accessibility support
Industries Served: Government & public sector, Higher education, Financial services, Utilities, Nonprofit
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Sydney, Australia, Melbourne, Australia
Pricing: No public rate card; quoted per scope
Great For: Australian & New Zealand government agencies, Global companies needing Asia-Pacific coverage, Universities managing accessibility across large sites
Website: AccessibilityOz
12. Accessible Web
About: Accessible Web sells the RAMP platform for tracking and managing accessibility remediation alongside expert-led WCAG and VPAT audit services for agencies, website owners, and SaaS teams. It targets ADA and EAA compliance and is frequently used by web design and marketing agencies as a white-label accessibility partner for their own clients. That agency-to-agency positioning is a distinct niche compared with firms that sell only direct to end businesses.
Key Services: WCAG audits & VPAT services, RAMP remediation tracking platform, White-label accessibility for agencies, EAA compliance support, Accessibility statement templates, Developer remediation guidance
Industries Served: Web design & marketing agencies, SaaS & technology, Nonprofit, Higher education, Small business
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Minneapolis, United States, United States (remote-first)
Pricing: No public rate card; quoted per scope
Great For: Web design agencies needing a white-label partner, SaaS teams tracking remediation over time, Nonprofits on tighter budgets
Website: Accessible Web
13. QualiBooth
About: QualiBooth is an accessibility software and services company that differentiates itself by having audits performed by testers who are themselves disabled and use screen readers, switch devices, and magnification daily. Its platform combines real-time automated scans with human expert review mapped to specific WCAG 2.2 success criteria and severity ratings. That lived-experience testing model is the firm's clearest point of difference from tool-only competitors.
Key Services: Audits by disabled testers, Automated + manual WCAG 2.2 scanning, Remediation recommendations, ADA & EAA compliance support, Ongoing monitoring, Accessibility statement support
Industries Served: E-commerce, SaaS & technology, Media & publishing, Financial services, Travel & hospitality
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Paris, France, New York, United States
Pricing: No public rate card; quoted per scope
Great For: Companies wanting audits by testers with lived disability experience, EU businesses preparing for EAA deadlines, SaaS platforms needing severity-ranked findings
Website: QualiBooth
14. Pure Accessibility
About: Pure Accessibility is a specialist consultancy serving organizations in the United States and Europe with WCAG 2.2 AA and ADA/EAA audits paired with developer-ready remediation guidance. It fixes code-level issues directly, including ARIA, forms, media, and custom components, and also remediates PDFs and other documents. Its narrower headcount than the category leaders lets it offer more hands-on, consultant-led engagements rather than a productized platform.
Key Services: WCAG 2.2 AA audits, ADA & EAA compliance support, Code-level remediation (ARIA, forms, media), PDF & document remediation, Accessible web development, Ongoing accessibility support
Industries Served: SaaS & technology, Nonprofit, Professional services, E-commerce, Education
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: United States (remote-first), Europe (remote-first)
Pricing: No public rate card; quoted per scope
Great For: Companies needing hands-on code-level fixes, Organizations spanning both US and EU compliance, Smaller teams wanting consultant-led engagements
Website: Pure Accessibility
15. Equal Entry
About: Equal Entry is a New York-based accessibility consultancy offering expert IT accessibility consulting for websites, mobile apps, and enterprise software. It is known for training programs and public education content in addition to standard WCAG audit and remediation work, and its consultants regularly speak at accessibility conferences. That combination of consulting plus visible community education is a core part of its reputation.
Key Services: WCAG audits & testing, Mobile app accessibility testing, Remediation guidance, Accessibility training & workshops, VPAT documentation, Assistive technology usability testing
Industries Served: Technology & SaaS, Media & publishing, Nonprofit, Financial services, Education
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: New York, United States, United States (remote-first)
Pricing: No public rate card; quoted per scope
Great For: Teams wanting training alongside audits, Mobile app product teams, Organizations building internal accessibility literacy
Website: Equal Entry
16. Perkins Access
About: Perkins Access is the consulting arm of Perkins School for the Blind, a nonprofit that has served people with visual impairments for over a century, and it applies that lived expertise to WCAG and ADA website audits. It offers user testing with people who are blind or low vision alongside standard technical remediation guidance. Its nonprofit heritage and direct connection to the blind community give it a credibility angle that commercial firms cannot easily replicate.
Key Services: WCAG & ADA website audits, User testing with blind & low-vision users, Remediation guidance, Accessibility training, Document & PDF accessibility, Accessibility policy consulting
Industries Served: Higher education, Nonprofit, Government, Healthcare, Museums & cultural institutions
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Watertown, United States, United States (remote-first)
Pricing: No public rate card; quoted per scope
Great For: Organizations wanting testing by blind users directly, Universities and museums, Nonprofits aligned with disability-led services
Website: Perkins Access
17. Knowbility
About: Knowbility is an Austin, Texas nonprofit that has run digital accessibility training, certification, and consulting programs since 1999, including its long-running Accessibility Internet Rally event that pairs developers with nonprofits. It offers WCAG audits and remediation consulting alongside its better-known training and certification tracks for developers and content authors. Its nonprofit structure and community-building programs set it apart from for-profit competitors.
Key Services: WCAG audits & consulting, Accessibility training & certification, Document remediation, Developer education programs, Accessibility policy consulting, Community outreach programs
Industries Served: Nonprofit, Higher education, Government, Small business, Technology & SaaS
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Austin, United States, United States (remote-first)
Pricing: No public rate card; quoted per scope
Great For: Nonprofits with limited compliance budgets, Organizations wanting staff certification alongside audits, Government agencies supporting community training
Website: Knowbility
18. AbilityNet
About: AbilityNet is a United Kingdom disability charity that runs a digital accessibility consultancy alongside its free assistive technology advice service for individuals. It conducts WCAG audits, EAA and UK equality law compliance reviews, and accessibility training for organizations, and it regularly publishes survey research on EAA readiness that is cited across the industry. Its charity status and direct-to-public assistive tech helpline distinguish it from commercial-only competitors.
Key Services: WCAG & UK accessibility law audits, European Accessibility Act compliance support, Accessibility training, Document remediation, Assistive technology advice, Accessibility research & benchmarking
Industries Served: Government & public sector, Financial services, Higher education, Charity & nonprofit, Retail
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Warwick, United Kingdom, United Kingdom (remote-first)
Pricing: No public rate card; quoted per scope
Great For: UK organizations navigating EAA and UK equality law, Public sector bodies, Charities needing an affordable, mission-aligned partner
Website: AbilityNet
19. Access Armada
About: Access Armada is a boutique accessibility agency that helps small and midsize businesses make measurable progress toward WCAG, Section 508, and ADA compliance without the price tag of an enterprise vendor. It focuses on plain-language reporting and prioritized fixes rather than exhaustive enterprise-style documentation. That affordability-first pitch is aimed squarely at businesses that cannot justify a five- or six-figure accessibility program.
Key Services: WCAG & ADA audits, Prioritized remediation plans, Developer remediation support, Accessibility statements, Ongoing monitoring, Small business accessibility coaching
Industries Served: Small business, Professional services, E-commerce, Nonprofit, Local government
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: United States (remote-first), North America (distributed team)
Pricing: No public rate card; quoted per scope
Great For: Small businesses on tight budgets, Local governments and small nonprofits, Companies wanting plain-language reporting
Website: Access Armada
20. AccessAbility Officer
About: AccessAbility Officer provides managed digital accessibility services aimed squarely at ADA Title II compliance for government and public-facing organizations, delivered by a team that includes certified accessibility experts with disabilities. It uses its own DARTSuite software to track findings and remediation status at scale across large public-sector web portfolios. That managed, ongoing-service model differs from firms that sell a single audit and hand off a report.
Key Services: ADA Title II & WCAG compliance audits, Managed remediation programs, DARTSuite issue-tracking platform, Accessibility statement support, Staff training, Ongoing conformance monitoring
Industries Served: State & local government, K-12 & higher education, Public utilities, Municipalities, Public transit agencies
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: United States (remote-first), North America (distributed team)
Pricing: No public rate card; quoted per scope
Great For: Municipalities facing ADA Title II deadlines, School districts managing many sites at once, Public agencies wanting managed, ongoing compliance
Website: AccessAbility Officer
21. Siteimprove
About: Siteimprove is a Copenhagen-founded digital experience platform, with a major US hub in Minneapolis, that built its reputation on an accessibility, SEO, and content quality scanning suite before expanding into broader content intelligence tools. Its accessibility module scans large websites at scale and pairs automated findings with guidance for prioritizing WCAG fixes across thousands of pages. Enterprises with very large web estates use it because its platform, not manual audit hours, is what scales.
Key Services: Automated accessibility scanning at scale, WCAG issue prioritization dashboards, PDF accessibility checking, Content quality & SEO scanning, Accessibility training resources, Enterprise reporting & governance
Industries Served: Higher education, Government, Retail & e-commerce, Media & publishing, Financial services
Notable Clients: Not publicly named — case studies are anonymised by category
Locations: Copenhagen, Denmark, Minneapolis, United States
Pricing: No public rate card; quoted per scope
Great For: Enterprises with tens of thousands of pages, Universities managing many subsites, Teams wanting accessibility plus SEO/content quality in one tool
Website: Siteimprove
Quick Comparison Table
| Agency | Key Specialty | Starting Price | Best For |
|---|---|---|---|
| 1. Deque Systems | Enterprise & government accessibility programs | Quote-based | Large enterprise and government programs |
| 2. Web Tonic | Full-Service Performance Marketing | USD $3,000/mo | Mid-market to Enterprise |
| 3. Level Access | Section 508 platform & consulting combo | Quote-based | Government and enterprise monitoring programs |
| 4. TPGi | Deep technical WCAG & ARIA consulting | Quote-based | Complex component and ARIA remediation |
| 5. UsableNet | E-commerce accessibility & litigation research | Quote-based | E-commerce brands managing ADA lawsuit risk |
| 6. AudioEye | Automated platform plus human testing | Quote-based | Brands wanting monitoring and legal support |
| 7. Allyant | Combined web & document accessibility | Quote-based | Document-heavy regulated industries |
| 8. 216digital | SMB-focused ADA risk mitigation | Quote-based | Small and mid-size businesses on budget |
| 9. Accessibility.com | Audit, remediation & industry research combined | Quote-based | First-time compliance buyers researching options |
| 10. Accessibility.Works | Senior-only consulting for SaaS & procurement | Quote-based | SaaS vendors facing procurement accessibility requirements |
| 11. AccessibilityOz | Asia-Pacific government & education accessibility | Quote-based | Organizations needing Australia/NZ coverage |
| 12. Accessible Web | White-label platform for design agencies | Quote-based | Agencies needing a white-label accessibility partner |
| 13. QualiBooth | Audits performed by disabled testers | Quote-based | Teams wanting lived-experience assistive tech testing |
| 14. Pure Accessibility | Hands-on code remediation, US and EU | Quote-based | Companies needing direct code-level remediation |
| 15. Equal Entry | Consulting paired with accessibility education | Quote-based | Teams wanting training bundled with audits |
| 16. Perkins Access | User testing led by blind testers | Quote-based | Organizations wanting testing by blind users |
| 17. Knowbility | Nonprofit training, certification & consulting | Quote-based | Nonprofits and mission-driven organizations |
| 18. AbilityNet | UK and EU compliance, charity-backed | Quote-based | UK and EU orgs facing EAA |
| 19. Access Armada | Affordable compliance for small business | Quote-based | Small businesses needing affordable starting point |
| 20. AccessAbility Officer | Managed ADA Title II for government | Quote-based | State/local government under Title II |
| 21. Siteimprove | Platform-scale scanning for very large sites | Quote-based | Enterprises with very large website estates |
Frequently Asked Questions
Is an accessibility overlay widget enough to be compliant?
No, and buying one can make things worse. Overlays patch the rendered page at runtime while the underlying markup stays broken, which is why plaintiffs have sued companies that had a widget installed. Automated tooling of any kind reaches only part of the standard: analysis of WCAG success criteria puts roughly 13% as reliably detectable by scanners, about 45% partially detectable and around 42% missed entirely. That remaining share is focus order, alternative text quality, error messaging and screen-reader logic, all of which need a human tester. Every agency on this page that does serious work remediates source code.
What does an accessibility audit and remediation cost?
None of the 20 external agencies here publish a rate card, which is the honest headline. Independent guidance puts a manual WCAG 2.1 AA audit of a small informational site at roughly USD $1,500 to $4,000, with enterprise programmes covering many templates, native apps and documents running into five and six figures once remediation and monitoring are included. Costs move on template count rather than page count, whether apps and PDFs are in scope, and whether the agency fixes the code or hands your developers a report. Ask for the audit and the remediation priced separately.
How exposed am I legally if I do nothing?
More exposed each year. Tracking of ADA-based digital accessibility cases counted more than 5,000 filings across US federal and state courts in 2025, with New York state courts alone accounting for well over a third, and the pattern is heavily weighted toward ecommerce. Europe adds its own pressure: the European Accessibility Act's June 2025 deadline arrived with only 11% of organisations surveyed confident they would meet it. Meanwhile the WebAIM Million analysis found detectable WCAG failures on 94.8% of the top million home pages, so the baseline is poor and being unremarkable is no defence.
Which standard and version should we actually target?
WCAG 2.2 Level AA is the practical target for almost everyone, because US Department of Justice rulemaking under ADA Title II and the European standard both anchor there, and procurement teams increasingly ask for it by name. Level AAA is rarely a whole-site requirement and chasing it early wastes budget. If you sell to government or large enterprises, you will also be asked for a VPAT-based Accessibility Conformance Report, so choose a partner who writes those routinely rather than one who has to learn the template on your project.
Do we need remediation, training, or both?
Both, if you ship code regularly. A one-off remediation pass fixes today's site and nothing about tomorrow's release, which is why accessibility debt reappears within a year on active products. The durable pattern is an audit, a remediation sprint, then design-system and component-level fixes plus developer training so new work starts accessible. Several agencies here bundle education deliberately, and a few are nonprofits built around training. Ask how they hand the standard to your team, not just how they hand you a report.
Choosing a Website Accessibility Agency
Ask exactly how they test. The answer you want names screen readers, keyboard-only passes and, ideally, testers with disabilities, alongside automated scanning. A vendor whose method is a scan plus a dashboard is selling you the 13% of the standard a machine can see.
Separate the audit from the fix. Price them as two deliverables. Some teams want a report their own developers execute; others need hands-on remediation of code, contrast, focus order and forms. Conflating them is how engagements stall halfway.
Insist on source-code work, never an overlay. Widgets create a false sense of safety and have not protected defendants. If a proposal leads with a script tag, treat it as a monitoring product rather than an accessibility partner.
Plan for regression. Accessibility decays with every sprint, so budget monitoring, component-level fixes and developer training from the start. If you would rather build it in during design and development, see our web development work, read the latest analysis, or book a call.
